Help with updating to 10.5 from 10.3 and getting "invalid signature" error

I am trying to update to iTunes 10.5 so I can sync my new iPhone 4s but I keep getting the error message "invalid signature".  I have tried turning off firewall and antivirus as suggested on this forum to no avail.  Also going through Tools, Download only produced the same error.  Any Suggestions?

I, too, am unable to update to iTunes 10.5 (iPhone 4) OR Safari.  Contunally get "Invalid Signature" messages.  I have "changed" each Apple, iTunes and Safari application through Add/Change Programs to no avail.  I am forwarned removing iTunes from my PC will cause me to lose all my music.  Any suggestions?

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    Twanger317,
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    Click here and download the software. Unless otherwise noted, a device running iOS 6 requires at least Mac OS X 10.5.8 and iTunes 10.6.3 to be synced from a Mac.
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    I was updated my Iphone 4s from computer(ITunes).ITunes get error and update failed.(When Iphone is preparing.).And now ı can't use my IPhone.At the screen there is a USB cable and up of the screen there is ITunes' logo.PLEASE HELP!

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    Edited by: ka reddy on Sep 24, 2009 4:16 PM
    Edited by: ka reddy on Sep 24, 2009 4:17 PM
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  • Help with updates for CS6

    I need help installing latest updates for CS6.  I have Win 7 and have tried updating from the Help - Updates menu.  The error is:  U43M1D207.

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    Date: Fri, 5 Oct 2012 12:21:45 -0600
    From: [email protected]
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    Subject: Help with updates for CS6
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    Replies to this message go to everyone subscribed to this thread, not directly to the person who posted the message. To post a reply, either reply to this email or visit the message page: http://forums.adobe.com/message/4752605#4752605
    To unsubscribe from this thread, please visit the message page at http://forums.adobe.com/message/4752605#4752605. In the Actions box on the right, click the Stop Email Notifications link.
    Start a new discussion in Downloading, Installing, Setting Up by email or at Adobe Community
    For more information about maintaining your forum email notifications please go to http://forums.adobe.com/message/2936746#2936746.

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